<template>
  <div class="login">
    <div class="login-box">
      <el-image style="width: 404px; height: 644px" :src="main_img" fit="cover" />
      <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
        <h3 class="title">客户登录</h3>
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" type="text" size="large" auto-complete="off" placeholder="请输入手机号/账号">
            <template #prefix>
              <el-icon class="el-input__icon" :size="40">
                <Iphone />
              </el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" type="password" size="large" auto-complete="off" placeholder="密码"
            @keyup.enter="handleLogin">
            <template #prefix>
              <el-icon class="el-input__icon" :size="40">
                <Lock />
              </el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="code" v-if="captchaEnabled">
          <el-input v-model="loginForm.code" size="large" auto-complete="off" placeholder="验证码" style="width: 63%"
            @keyup.enter="handleLogin">
            <template #prefix>
              <el-icon class="el-input__icon" :size="40">
                <Key />
              </el-icon>
            </template>
          </el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode" class="login-code-img" />
          </div>
        </el-form-item>
        <el-form-item style="width:100%; padding-top: 20px;">
          <el-button :loading="loading" size="large" color="#D6000F" @click.prevent="handleLogin">
            <span v-if="!loading">立即登录</span>
            <span v-else>登 录 中...</span>
          </el-button>
        </el-form-item>
        <el-row :gutter="20" type="flex" justify="space-between" align="middle">
          <el-col :span="6">
            <el-checkbox v-model="loginForm.rememberMe">记住账号</el-checkbox>
          </el-col>
          <el-col :span="6" style="text-align: right;">
            <router-link class="link-type" :to="'/forgetPassword'">忘记密码</router-link>
          </el-col>
        </el-row>
      </el-form>
    </div>
  </div>
</template>

<script setup>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import useUserStore from '@/store/modules/user'
import { reactive } from "vue";
import main_img from "@/assets/images/main_img.png";
const baseConfig = reactive({
  systemTitle: import.meta.env.VITE_APP_SYSTEM_TITLE,
  copyright: `Copyright © ${import.meta.env.VITE_APP_START_YEAR}-${new Date().getFullYear()} ${import.meta.env.VITE_APP_COPYING} All Rights Reserved.`
})
const userStore = useUserStore()
const route = useRoute();
const router = useRouter();
const { proxy } = getCurrentInstance();

const loginForm = ref({
  username: "999999",
  password: "123456",
  rememberMe: false,
  code: "",
  uuid: ""
});

const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }]
};

const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 注册开关
const register = ref(false);
const redirect = ref(undefined);

watch(route, (newRoute) => {
  redirect.value = newRoute.query && newRoute.query.redirect;
}, { immediate: true });

function handleLogin () {
  proxy.$refs.loginRef.validate(valid => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set("username", loginForm.value.username, { expires: 30 });
        // Cookies.set("password", encrypt(loginForm.value.password), { expires: 30 });
        Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
      } else {
        // 否则移除
        Cookies.remove("username");
        // Cookies.remove("password");
        Cookies.remove("rememberMe");
      }
      // 调用action的登录方法
      userStore.login(loginForm.value).then(() => {
        const query = route.query;
        const otherQueryParams = Object.keys(query).reduce((acc, cur) => {
          if (cur !== "redirect") {
            acc[cur] = query[cur];
          }
          return acc;
        }, {});
        router.push({ path: redirect.value || "/", query: otherQueryParams });
      }).catch(() => {
        loading.value = false;
        // 重新获取验证码
        if (captchaEnabled.value) {
          getCode();
        }
      });
    }
  });
}

function getCode () {
  getCodeImg().then(res => {
    captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled;
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.img;
      loginForm.value.uuid = res.uuid;
    }
  });
}

function getCookie () {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
  };
}

getCode();
getCookie();
</script>

<style lang='scss' scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("../assets/images/login-background.png");
  background-size: cover;
  padding: 130px 0;
}

.title {
  margin: 0px auto 37px auto;
  text-align: center;
  font-weight: bold;
  font-size: 26px;
  color: var(--jbc-font-color);
  line-height: 35px;
}

.login-form {
  background-color: #ffffff;
  width: 621px;
  padding: 63px 87px 0;

  .el-form-item--default {
    margin-bottom: 24px;
  }

  .el-input {
    height: 55px;

    input {
      height: 55px;
    }

    &__icon {
      padding-right: 10px;
      margin-right: 10px;
      border-right: 1px solid #EBEBEB;
    }
  }
  .link-type {
    color: var(--jbc-color);
    text-decoration-line: underline;
    font-size: var(--el-font-size-base);
  }
  .el-button--large {
    --el-button-size: 55px;
    --el-border-radius-base: 0;
    --el-font-size-base: 18px;
    padding: 12px 19px;
    width: 100%;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 55px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.login-code-img {
  height: 55px;
  padding-left: 12px;
}

.login-box {
  width: 1025px;
  display: flex;
  align-items: stretch;
}
</style>
